题解 | #找位置#

#include<iostream>
#include<string.h>

using namespace std;

int main() {
    string s;

    while (cin >> s) {
        int* k;
        k = new int[s.size()];
        int i, j;
        for (i = 0; i < s.size(); i++)k[i] = 0; //给标志向量赋初值
        i = 0;
        int flag;//用于标记是否存在重复的字符
        while (i < s.size()) {
            if (k[i] == 0) {
                k[i] = 1;
                j = i + 1;
                flag = 0;
                while (j < s.size()) {
                    if (s[i] == s[j] && flag == 0) {
                        cout << s[i] << ":" << i;
                        cout << "," << s[j] << ":" << j;
                        flag = 1;
                        k[j] = 1;
                    } else if (s[i] == s[j] && flag == 1) {
                        cout << "," << s[j] << ":" << j;
                        k[j] = 1;
                    }
                    j++;
                }
                if (flag == 1)cout << endl;
            }
            i++;
        }
    }

    return 0;
}